Adsense Blog As a reminder, all Google-certified ad networks are required to adhere to our standards for user privacy, ad quality, and speed. In addition, you can use the controls in your Ad Review Center to specify which ad networks can appear on your pages. While this feature was initially available only to publishers located in North America and Europe, we're happy to announce that all publishers will now have access to these participating ad networks. We'll allow certified networks who comply with user privacy guidelines to show ads using these tools, but they won't be permitted to collect data from your site for the purpose of subsequent interest-based advertising. We're continuing to certify additional ad networks, so please keep in mind that you won't see immediate changes in your earnings or ads.